Location and Projects
Platt Plumbing
Platt Plumbing, 3275 E Grant St, Signal Hill, CA (Employees: Andrew John Ostermann, Anna Claire Platt, and David Eugene Platt) holds a Electrical license and 1 other license according to the California license board.
Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Platt Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Platt Plumbing Services
Platt Plumbing Contact Information
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Platt Plumbing Signal Hill
Quality
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$50k-$100k |
This is a sample of this contractor's permits. Click here to access their complete permit history.
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Platt Plumbing License info
Verified License
| License # | 1025495 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Platt Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 877630 |
| Status | Active |
| State | California |
| Type | Plumbing, General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Platt Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |